学科分类

已选分类 医学临床医学内科学
单选题A.少量铁锈色痰B.砖红色胶冻样痰C.脓痰带血丝或脓血状D.白色黏液痰
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单选题 关于葡萄球菌肺炎,以下哪项不正确 A、重患早期可发生休克 B、血浆凝固酶阳性的细菌致病力强 C、可并发心、脑、肾脓肿 D、大剂量青霉素静点后,原发病灶一般不需处理 E、病情较重,病死率较高
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单选题A.横结肠 B.直肠壶腹部 C.直肠 D.乙状结肠
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单选题肺结核咯血的最危险并发症是
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单选题关于病毒性肝炎和门脉性肝硬化病理特点的比较。下列哪项不正确?
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单选题患者,男、58岁,因疲劳后突发心悸,呼吸困难,咳嗽、咳粉红色泡沫血痰而来院就诊,既往高血压病、心肌梗死史,查体:HP90/60mmHg,端坐位,喘息状。面色苍白,口唇发绀。双肺布满中小水泡音,心率140次/分,心音听不清。
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单选题A、肾小球毛细血管基膜筛孔加大B、肾小球毛细血管基膜负电荷减少C、两者均有D、两者均无
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单选题下列哪项指标不符合心功能不全的表现A.肺毛细血管楔压>2.4kPaB.中心静脉压>1.8kPaC.左心室舒张末压<1.6kPaD.左心室射血分数<40%E.心排指数<2.0L/(min·m2)
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单选题A.淋巴细胞B.中性粒细胞C.浆细胞D.巨噬细胞 (2012年)
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单选题不易出现高脂血症的疾病是A.糖尿病B.肾病综合征C.阻塞性黄疸D.甲状腺功能亢进E.甲状腺功能减退
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单选题下列各项中不是急性白血病感染最常发生的部位的是
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单选题血管紧张素转换酶抑制剂治疗高血压病的机制,下列哪项不正确A.使血管紧张素Ⅱ生成减少B.抑制激肽酶Ⅱ的作用C.间接使PGI2合成增多D.NO合成减少E.抑制交感神经活性
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单选题A.弥漫性结节性浸润B.支气管充气征,假空洞征C.蜂窝状D.斑片状浸润
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单选题男性患者,53岁,寒战、高热、咳嗽,左胸痛两天入院。查体:体温37.5℃,口唇紫绀,咽部充血,左肺呼吸音低,心率128次/分,血压10.7/6.7kPa(80/50minHg)。血白细胞20.0×10 9 /L,中性0.92,诊断为
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单选题某患者反复突发心率增快,诊断为预激综合征合并心房颤动,心室率达220次/分,首选治疗为下列哪项
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单选题 急救工作开展最有成效的国家是 A、中国 B、美国 C、意大利 D、德国 E、法国
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单选题正常结肠基础电节律为慢波频率6次/分,而3次/分的慢波频率则与分节收缩有关,高幅收缩波主要出现在进食或排便前后。lBS者结肠电节律特点
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单选题哪种慢性肺疾病与遗传性α 1 -抗胰蛋白酶缺乏有关( )(1995年)
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单选题An issue that many corporate executives ignore is the possibility that aggressive people seek reinforcement for their own destructive acts. Television violence, for instance, and the widespread public concern accompanying it have led to calls for strict controls on the depiction of violent programs. In their decision making, some producers do not take responsibility for the equally important minority. Instead, they may gear their content toward the masses, who crave sexually explicit and violent action. Fortunately, this group has the ability to disseminate violent action rationally, realizing that in reality, people who commit acts of violence have to compensate for their actions by taking full responsibility for the harm they cause to others. Not everyone can distinguish fact from fantasy. Studies show that in one week of content analysis of prime-time output on seven New York City channels, there were 3, 421 acts and threats of violence observed. Children's fictional entertainment programs had three times the frequency of violent acts or threats recorded in adult programs. Similarly, aggressive adults are seeking reinforcement for their own anti-social behavior from seeing attractive television characters behave in the same way. Behavioral evidence has indicated that the anti-social effects of violent television portrayals are strongest and are most likely to occur among individuals who are already aggressive. The ethical question is, should television submit to mass appeal or take into consideration the effects on certain members of society, including children? The consequences of televising violence are not only harmful to some viewers but concurrently affect the television stations in the form of loss of viewers and possibly gaining a bad reputation. Even though many associations have been condemning television violence, their efforts have had little effect on the large money-making corporations. In his article, " Sex and Violence " , Joe Saltzman states, " If, as producers argue, violence is a part of the human condition, then so is responsibility. In real life, you just do not commit mayhem and then go on to the next scene. " It is also necessary to realize that violence is part of our nature and of our life. Almost every day we are participants and observers of violence, whether it is natural violence, theatrical or fictional violence, sporting event violence, or political violence. To exclude all scenes of violence form television would be to falsify the picture of life. Television media can " encourage or aid " destructive behavior, not " cause " it. We hope that the decision makers will promote strong moral, ethical values in their decision making or at least consider them, in order to help prevent our violent self-destructive behavior.
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单选题女性,53岁,胃溃疡10年。近5个月上腹痛变为无规律,恶心、腹胀、食欲减退,钡剂造影检查:胃窦部可见3.5cm×3.8cm龛影,边缘不齐。便潜血多次阳性。本例可能是
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